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Chemistry, 03.09.2019 04:30, NikkiZoeller
In the early days of automobiles, illumination at night was provided by burning acetylen, c2h2. though no longer used as a source of light by some cave explores. the acetylene is (was) prepared in the lamp by the reaction of water wih calcium carbide cac2:
cac2 + h2o --> ca(oh)2 + c2h2
calculate the standard enrthalpy of the reaction. the h of cac2 is -15.14 kcal/mol.
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